InChI=1/C14H13Cl2N3O2/c1-8(6-17)7-19-12(20)14(2,18-13(19)21)9-3-4-10(15)11(16)5-9/h3-5,8H,7H2,1-2H3,(H,18,21)/t8-,14+/m1/s1/f/h18H E682658251D3EE76